CA2798349A1 - Code amount control method and apparatus - Google Patents
Code amount control method and apparatus Download PDFInfo
- Publication number
- CA2798349A1 CA2798349A1 CA 2798349 CA2798349A CA2798349A1 CA 2798349 A1 CA2798349 A1 CA 2798349A1 CA 2798349 CA2798349 CA 2798349 CA 2798349 A CA2798349 A CA 2798349A CA 2798349 A1 CA2798349 A1 CA 2798349A1
- Authority
- CA
- Canada
- Prior art keywords
- picture
- code
- encoding
- encoding target
- previously
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000000284 extract Substances 0.000 claims description 5
- 238000013139 quantization Methods 0.000 description 12
- 230000009466 transformation Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/142—Detection of scene cut or scene change
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/115—Selection of the code volume for a coding unit prior to coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-109879 | 2010-05-12 | ||
| JP2010109879 | 2010-05-12 | ||
| PCT/JP2011/059953 WO2011142236A1 (ja) | 2010-05-12 | 2011-04-22 | 符号量制御方法および装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2798349A1 true CA2798349A1 (en) | 2011-11-17 |
Family
ID=44914292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2798349 Abandoned CA2798349A1 (en) | 2010-05-12 | 2011-04-22 | Code amount control method and apparatus |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US9131236B2 (ja) |
| EP (1) | EP2571267B1 (ja) |
| JP (1) | JP5580887B2 (ja) |
| KR (1) | KR101391397B1 (ja) |
| CN (1) | CN102893605B (ja) |
| BR (1) | BR112012028568A2 (ja) |
| CA (1) | CA2798349A1 (ja) |
| ES (1) | ES2627431T3 (ja) |
| RU (1) | RU2538285C2 (ja) |
| TW (1) | TWI580256B (ja) |
| WO (1) | WO2011142236A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2658258A3 (en) * | 2012-04-23 | 2017-07-19 | Intel Corporation | Frame level rate control using motion estimated distortions |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110909737A (zh) * | 2019-11-14 | 2020-03-24 | 武汉虹旭信息技术有限责任公司 | 图片文字识别方法及系统 |
| CN111770330B (zh) * | 2020-06-10 | 2022-11-04 | 北京达佳互联信息技术有限公司 | 图像压缩方法、装置以及电子设备 |
| CN112351252B (zh) * | 2020-10-27 | 2023-10-20 | 重庆中星微人工智能芯片技术有限公司 | 监控视频编解码装置 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6577680B2 (en) * | 1997-03-12 | 2003-06-10 | Matsushita Electric Industrial Co., Ltd. | Video signal coding method and coding device adapted to control code amounts according to the characteristics of pictures |
| US5978029A (en) * | 1997-10-10 | 1999-11-02 | International Business Machines Corporation | Real-time encoding of video sequence employing two encoders and statistical analysis |
| JP4362795B2 (ja) * | 1999-07-13 | 2009-11-11 | 日本ビクター株式会社 | 動画像符号化装置及びその方法 |
| EP1098526A3 (en) | 1999-11-02 | 2004-09-15 | Matsushita Electric Industrial Co., Ltd. | Video editing apparatus and method |
| JP2002010259A (ja) * | 2000-06-21 | 2002-01-11 | Mitsubishi Electric Corp | 画像符号化装置及び画像符号化方法及び画像符号化プログラムを記録した記録媒体 |
| JP2002152759A (ja) * | 2000-11-10 | 2002-05-24 | Sony Corp | 画像情報変換装置および画像情報変換方法 |
| JP4228739B2 (ja) | 2002-04-05 | 2009-02-25 | ソニー株式会社 | 符号化装置および符号化方法、プログラム、並びに記録媒体 |
| US7197072B1 (en) * | 2002-05-30 | 2007-03-27 | Intervideo, Inc. | Systems and methods for resetting rate control state variables upon the detection of a scene change within a group of pictures |
| JP2004266640A (ja) | 2003-03-03 | 2004-09-24 | Nec Corp | 動画像符号化装置、動画像符号化方法、およびプログラム |
| JP4221655B2 (ja) * | 2003-03-06 | 2009-02-12 | ソニー株式会社 | 符号化装置および符号化方法、プログラム、並びに記録媒体 |
| US7453938B2 (en) * | 2004-02-06 | 2008-11-18 | Apple Inc. | Target bitrate estimator, picture activity and buffer management in rate control for video coder |
| US7474701B2 (en) | 2004-09-23 | 2009-01-06 | International Business Machines Corporation | Single pass variable bit rate control strategy and encoder for processing a video frame of a sequence of video frames |
| JP4257655B2 (ja) | 2004-11-04 | 2009-04-22 | 日本ビクター株式会社 | 動画像符号化装置 |
| JP2007318617A (ja) * | 2006-05-29 | 2007-12-06 | Renesas Technology Corp | 画像符号化装置、及び画像符号化プログラム |
| FI123739B (fi) | 2007-04-04 | 2013-10-15 | Sandvik Mining & Constr Oy | Kallionporauslaitteen suojusrakenne melun vaimentamiseksi |
| WO2008142956A1 (ja) | 2007-05-21 | 2008-11-27 | Nec Corporation | 映像符号化装置、映像符号化方法および映像符号化プログラム |
| JP4527756B2 (ja) | 2007-08-27 | 2010-08-18 | 日本電信電話株式会社 | 映像符号化制御装置、映像符号化制御方法、映像符号化制御プログラムおよびそのプログラムを記録したコンピュータ読み取り可能な記録媒体 |
| JP2009111691A (ja) | 2007-10-30 | 2009-05-21 | Hitachi Ltd | 画像符号化装置及び符号化方法、画像復号化装置及び復号化方法 |
| US8938005B2 (en) | 2007-11-05 | 2015-01-20 | Canon Kabushiki Kaisha | Image encoding apparatus, method of controlling the same, and computer program |
-
2011
- 2011-04-22 US US13/696,272 patent/US9131236B2/en active Active
- 2011-04-22 WO PCT/JP2011/059953 patent/WO2011142236A1/ja active Application Filing
- 2011-04-22 RU RU2012147241/08A patent/RU2538285C2/ru active
- 2011-04-22 CA CA 2798349 patent/CA2798349A1/en not_active Abandoned
- 2011-04-22 ES ES11780493.0T patent/ES2627431T3/es active Active
- 2011-04-22 JP JP2012514753A patent/JP5580887B2/ja active Active
- 2011-04-22 KR KR1020127029013A patent/KR101391397B1/ko active IP Right Grant
- 2011-04-22 CN CN201180022942.4A patent/CN102893605B/zh active Active
- 2011-04-22 EP EP11780493.0A patent/EP2571267B1/en active Active
- 2011-04-22 BR BR112012028568A patent/BR112012028568A2/pt not_active IP Right Cessation
- 2011-04-28 TW TW100114811A patent/TWI580256B/zh active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2658258A3 (en) * | 2012-04-23 | 2017-07-19 | Intel Corporation | Frame level rate control using motion estimated distortions |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2571267A1 (en) | 2013-03-20 |
| CN102893605B (zh) | 2015-07-08 |
| RU2012147241A (ru) | 2014-10-20 |
| EP2571267B1 (en) | 2017-03-01 |
| BR112012028568A2 (pt) | 2016-08-02 |
| JPWO2011142236A1 (ja) | 2013-07-22 |
| KR101391397B1 (ko) | 2014-05-07 |
| TW201208385A (en) | 2012-02-16 |
| JP5580887B2 (ja) | 2014-08-27 |
| US9131236B2 (en) | 2015-09-08 |
| RU2538285C2 (ru) | 2015-01-10 |
| KR20130006502A (ko) | 2013-01-16 |
| TWI580256B (zh) | 2017-04-21 |
| CN102893605A (zh) | 2013-01-23 |
| ES2627431T3 (es) | 2017-07-28 |
| EP2571267A4 (en) | 2014-03-19 |
| US20130051460A1 (en) | 2013-02-28 |
| WO2011142236A1 (ja) | 2011-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| EEER | Examination request |
Effective date: 20121102 |
|
| EEER | Examination request |
Effective date: 20121102 |
|
| FZDE | Discontinued |
Effective date: 20171221 |